Which One of the Following Is the Variable Matrix for the Following

Multiple Choice

Which one of the following is the variable matrix for the following systems of equations? $\left\{\begin{array}{r}5 x-2 y+6 z=9 \\6 x+2 z=4 \\2 y=3\end{array}\right.$

A) $\left[\begin{array}{lll}x & y & z \\x & y & z \\x & y & z\end{array}\right]$
B) $\left[\begin{array}{l}9 \\4 \\3\end{array}\right]$
C) $\left[\begin{array}{lll}x & y & z\end{array}\right]$
D) $\left[\begin{array}{ccc}5 x & -2 y & 6 z \\6 x & 0 y & 2 z \\0 x & 2 y & 0 z\end{array}\right]$
E) $\left[\begin{array}{l}x \\y \\z\end{array}\right]$